Technical Ex-Founder Job at PostHog

Founding Engineer

Founding Engineer – AI Voice Startup. On-site (5 days/week) | Series A | World-C...

Location

United Kingdom , London

Salary:

300000.00 GBP / Year

Oho Group Ltd

Expiration Date

Until further notice

Requirements

Highly experienced engineers, ideally ex-founding engineers or ex-founders
Proven track record of building and shipping LLM-based products in production
Strong system design skills and sound engineering judgement
Comfortable operating without heavy process or hierarchy
Product-minded, commercially aware, and execution-focused

Job Responsibility

Design and build core AI voice products from the ground up
Take ownership of critical systems end-to-end
Ship production-grade LLM-powered features used by real customers
Make foundational technical and product decisions that will last years
Operate with startup-level speed, responsibility, and ambiguity

What we offer

Equity upside at a meaningful stage (post–Series A)
Opportunity to grow into senior technical or leadership roles as the company scales

Fulltime

Founding Algorithm Developer

FLEETLINE WRITES OPTIMIZATION ALGORITHMS FOR LARGE TRUCKING COMPANIES. AFTER A R...

Location

United States , New York

Salary:

Not provided

YC Work at a Startup

Expiration Date

Until further notice

Requirements

Has experience writing optimization algorithms (MILPs, ML, DP, RL, stochastic models, heuristics, or similar)
A generalist who can operate across the stack when needed
Ships code fast and often
not a perfectionist
Comfortable working in ambiguity with incomplete information
Extremely hardworking when part of a strong, mission-aligned team
Background may include top startups or big tech, ex-founder / founding engineer experience, or serious side projects that are shipped and live
Comfortable with Python and TypeScript
US citizen/visa only
In office in New York City is required

Job Responsibility

Build and scale core optimization algorithms used directly in production
Write optimization systems (e.g. MILPs, LPs, heuristics, etc.)
Build and maintain data pipelines that operate at real production scale
Move quickly from idea → implementation → customer usage
Contribute to long-term product and technical direction
Willingness to do whatever is needed technically, from deep algorithm work to integration and tooling
Comfortable being forward-deployed: talking to customers, understanding constraints, and solving concrete problems

Fulltime

Catering Lead

Aramark Canada Ltd. is currently seeking an outgoing, professional to join the D...

Location

Canada , Halifax

Salary:

16.50 - 18.36 / Hour

Aramark UK

Expiration Date

Until further notice

Requirements

2+ years' experience in customer service/catering required
Must have valid driver’s license
Must maintain neat and professional appearance at all times
Must be able to see without impairment for inspection purposes and ability to read small text such as product warning labels
Must be able to lift, push, and pull min. 45 lbs

Job Responsibility

Provide exceptional customer service to all customers and clients
Deliver catering supplies, including tables, chairs, linens and cutlery to event spaces
Deliver catering orders, including hot and cold foods, to event spaces
Respond to any customer questions or concerns at time of delivery
May assist with preparing and managing invoices
Adhere to all Aramark policies and procedures, including occupational health and safety and food safety
General preventative maintenance on vehicle (drivers checklist)
Maintain safe and structured driving patterns (good driving habits)
Other duties as assigned

Barista

We're currently recruiting a driven Barista to help us create beautifully crafte...

Location

United Kingdom , Southampton

Salary:

12.25 GBP / Hour

14forty

Expiration Date

Until further notice

Requirements

Be a brilliant communicator and easily build relationships
Have previous experience in customer service
Strive for excellence in an eager and motivated manner
Take initiative and make decisions that are right for our customers
Have Hands-on experience with brewing equipment
Possess the ability to work under pressure
Demonstrate exceptional timekeeping and reliability

Job Responsibility

Preparing perfectly blended drinks and serving high-quality food that delights our customers
Keeping the bar area clean
Receiving and processing payments (cash and credit cards)
Being an enthusiastic team player and excellent communicator
Maintaining stock of clean mugs and plates
Learning about brewing methods, beverage blends, food preparation and presentation techniques
Check if brewing equipment operates properly and report any maintenance needs
Representing M&S and maintaining a positive brand image
Complying with Food Handling & Hygiene standards
Complying with Health & Safety regulations

What we offer

Get given every opportunity to progress within a company that invests in its people, celebrates individuality, and rewards and recognises employees who go beyond the plate
Competitive pay, great perks and unrivalled opportunities for learning and development

Parttime

Outpatient Nuclear Medicine Technologist

Are you interested in working for an organization passionate about love and exce...

Location

United States , Glen Mills

Salary:

38.22 - 61.16 USD / Hour

Christiana Care

Expiration Date

July 04, 2026

Requirements

Associates Degree in Nuclear Medicine Technology
One year experience preferred
Knowledge, skills, and abilities relating to neonatal, pediatric, adolescent, adult, and geriatric patient care
Knowledge, skills, and abilities related to nuclear medicine and PET/CT procedures, techniques, radiation safety, quality control, and performance improvement practices, stress test monitoring, and EKG’s
Knowledge of and ability to abide by departmental standards, procedures, protocols, policies and guidelines
Knowledge of and ability to use nuclear medicine and PET/CT cameras, computers, and laboratory equipment
Ability to abide by local, state, and federal regulations
Ability to assess patient needs to determine which type of radiopharmaceutical to use and which procedure to follow, including additional images
Ability to utilize fundamental computer techniques on nuclear medicine and PET/CT equipment and Christiana Care Health Services Clinical Care System
Ability to prepare, verify, and administer all radiopharmaceuticals in a safe and effective manner

Job Responsibility

To perform diagnostic and therapeutic nuclear medicine procedures and PET/CT procedures in adherence to the Nuclear Regulatory Commission and State of Delaware Regulations and to assist physicians in the diagnosis and treatment of diseases
Performs diagnostic and therapeutic nuclear medicine procedures
Maintains compliance with local, state, and federal regulations as specified in NRC and state licenses
Complies with JCAHO regulations
Performs Nuclear Medicine and/or PET/CT procedures and quality control as defined by department protocols
Demonstrates complete knowledge and proficiency in the use of all contrast media injectors
Completes all technical assigned imaging and non-imaging procedures in the designated scheduled times
Performs IV, IM, subcutaneous, and intradermal injections
Performs accurate dose calculations
Completes transmission of optimum quality images to PACS system, able to digitize films, and know how to use a CD burner, if available

What we offer

Full Medical, Dental, Vision and other insurance benefits
403 (b) with an employer match
Generous Paid Time Off

Parttime

Barista

We're currently recruiting a driven Barista to help us create beautifully crafte...

Location

United Kingdom , Weston Super Mare

Salary:

12.25 GBP / Hour

14forty

Expiration Date

Until further notice

Requirements

Be a brilliant communicator and easily build relationships
Have previous experience in customer service
Strive for excellence in an eager and motivated manner
Take initiative and make decisions that are right for our customers
Have Hands-on experience with brewing equipment
Possess the ability to work under pressure
Demonstrate exceptional timekeeping and reliability

Job Responsibility

Preparing perfectly blended drinks and serving high-quality food that delights our customers
Keeping the bar area clean
Receiving and processing payments (cash and credit cards)
Being an enthusiastic team player and excellent communicator
Maintaining stock of clean mugs and plates
Learning about brewing methods, beverage blends, food preparation and presentation techniques
Check if brewing equipment operates properly and report any maintenance needs
Representing Costa and maintaining a positive brand image
Complying with Food Handling & Hygiene standards
Complying with Health & Safety regulations

What we offer

Get given every opportunity to progress within a company that invests in its people, celebrates individuality, and rewards and recognises employees who go beyond the plate
Competitive pay, great perks and unrivalled opportunities for learning and development

Parttime

Catering Services Manager

We are seeking a detail-oriented and customer-focused Catering Manager to join o...

Location

Canada , Scarborough

Salary:

58000.00 - 68000.00 CAD / Year

Aramark UK

Expiration Date

Until further notice

Requirements

Valid driver’s license required for occasional use of company or fleet vehicles
Post-secondary education in hospitality, culinary arts, or business
Experience in marketing or sales within hospitality or retail is an asset
Proven experience in catering, hospitality, or event coordination
2 years’ experience in a similar role
Excellent supervisory or management experience
Strong time-management skills and ability to work independently
Flexibility to work evenings and weekends based on event schedules
Excellent communication, attention to detail and interpersonal skills
Food Handler and Alcohol Service Certifications (or willingness to obtain)

Job Responsibility

Build and maintain strong relationships with clients and stakeholders, which developing customized catering solutions to meet client needs
Conduct outreach to departments and community groups to promote catering services
Represent the catering team at community and promotional events
Ensure high-quality execution of events, from planning to final presentation
Deliver all catering events in a timely manner
Planning the logistics for different events happening at the same time
Train and supervise staff to maintain service standards
Prepare and distribute event documentation to ensure all requirements are met
Collaborate with culinary teams on special requests and large-scale events
Oversee the execution of events of varying sizes, including staffing and logistics

What we offer

Extended benefits including health, dental and vision from the first day of employment
Aramark Canada’s Defined Contribution Pension Plan from the first day of employment
Three (3) week’s annual paid vacation + 3 personal days
Employee Recognition Program including Service Awards
Diverse and inclusive workforce
Aramark Scholarship Program for dependents of full- time employees

Fulltime

District Support Pharmacist

We’re building a world of health around every individual — shaping a more connec...

Location

United States , Durham

Salary:

60.00 - 76.00 USD / Hour

CVS Health

Expiration Date

May 16, 2026

Requirements

Active Pharmacist License in the state where the Store is located
Active National Provider Identifier (NPI)
Not on the DEA Excluded Parties list
Ability to travel within a reasonable radius to support market staffing as business needs require
Regular and predictable attendance, including nights and weekends
Ability to complete required training within designated timeframe
Attention and Focus
Customer Service and Team Orientation
Communication Skills
Mathematical Reasoning

Job Responsibility

Traveling the district to fill pharmacist shifts as scheduled by the District Performance Coordinator (DPC)
overseeing the pharmacy and serving as the Pharmacy Manager’s proxy during bench shifts without overlap
Supporting safe and accurate prescription fulfillment
Assumes Pharmacy Manager’s day-to-day duties when serving as the only or the primary pharmacist-on-duty
Contributing to positive patient experiences
Proactively offering and delivering immunizations
Supporting the effective management of pharmacy inventory
Remaining flexible for both scheduling and business needs
Maintaining relevant clinical and technical skills
Supporting access to care and helping to improve patient outcomes through pharmacist delivered clinical care

What we offer

Affordable medical plan options
a 401(k) plan (including matching company contributions)
an employee stock purchase plan
No-cost programs for all colleagues including wellness screenings, tobacco cessation and weight management programs, confidential counseling and financial coaching
paid time off
flexible work schedules
family leave
dependent care resources
colleague assistance programs
tuition assistance

Fulltime

Technical Ex-Founder

PostHog

Location:

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
February 21, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Technical Ex-Founder

Founding Engineer

Founding Algorithm Developer

Catering Lead

Barista

Outpatient Nuclear Medicine Technologist

Barista

Catering Services Manager

District Support Pharmacist

Technical Ex-Founder

PostHog

Location:

Category:IT - Software Development

Contract Type:Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:February 21, 2026

Looking for more opportunities? Search for other job offers that match your skills and interests.

Similar Jobs for Technical Ex-Founder

Founding Engineer

Founding Algorithm Developer

Catering Lead

Barista

Outpatient Nuclear Medicine Technologist

Barista

Catering Services Manager

District Support Pharmacist

Category:
IT - Software Development

Contract Type:
Not provided

Job Posted:
February 21, 2026